When to replace the Lambda Sensor on your AUDI A3
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
AUDI A3 Convertible (8P7) 1.6 View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Lambda Sensor for A3 Convertible (8P7) and other AUDI models
Tools
Replacement: lambda sensor – AUDI A3 Convertible (8P7). List of the tools you'll need:
Wire brush
WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Drive socket # 10
Flare nut wrench #22
Clip removal tool
Ratchet wrench
Thread tap
Fender cover
Replacement: lambda sensor – AUDI A3 Convertible (8P7). AUTODOC experts recommend:
  • After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
  • Before getting down to work, start the engine and let it warm up to operating temperature.
  • Please note: all work on the car – AUDI A3 Convertible (8P7) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    Lift the car using a jack or place it over an inspection pit.
    Step 4
    How to change Lambda Sensor on Audi A3 Convertible 2008 - free PDF and video manuals
    Undo the fasteners of the oil pan lower cover. Use a drive socket #10. Use a ratchet wrench.
  2. Step 5
    How to replace AUDI A3 Convertible (8P7) 2.0 TDI 2009 Lambda Sensor - step-by-step manuals and video guides
    Remove the oil pan cover.
  3. Step 6
    Audi A3 Convertible 1.9 TDI 2010 Lambda Sensor replacement: free workshop manuals
    Disconnect the oxygen sensor wiring. Use a clip removal tool.
  4. Step 7
    Changing Lambda Sensor on AUDI A3 Convertible (8P7) 1.6 TDI 2011 by yourself
    Detach the oxygen sensor connector. Use a clip removal tool.
  5. Step 8
    How to remove AUDI A3 1.2 TFSI 2012 Lambda Sensor - online easy-to-follow instructions
    Clean the oxygen sensor fastener. Use a wire brush. Use WD-40 spray.
  6. Step 9
    How to replace Lambda Sensor on AUDI A3 Convertible (8P7) 2013: download PDF manuals and video instructions
    Unscrew the oxygen sensor fastener. Use a flare nut spanner #22.
  7. Step 10
    How hard is it to do yourself: Lambda Sensor replacement on Audi A3 Convertible 2.0 TFSI 2008 - download illustrated guide
    Remove the oxygen sensor.
  8. Step 11
    Need to know how to renew Lambda Sensor on AUDI A3 2009? This free workshop manual will help you to do it yourself
    Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
  9. Step 12
    Treat the oxygen sensor. Use high-temperature ceramic grease.
    Step 13
    Changing of Lambda Sensor on Audi A3 Convertible 2010 won't be an issue if you follow this illustrated step-by-step guide
    Install the new oxygen sensor.
  10. Step 14
    AUDI A3 2.0 TDI Lambda Sensor replacement: online guides and video tutorials
    Tighten the oxygen sensor fastener. Use a flare nut spanner #22. Use a torque wrench. Tighten it to 37 Nm torque.
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DIY AUDI A3 Convertible (8P7) Lambda Sensor replacement - online guide
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